Hi Waseel, hope you are doing well, no jee mains doesn't affect anyway with your tseamcet score. Ts eamcet is to get the best colleges in telangana whereas jee mains is to get best colleges all over the india, so it is nothing to do with ts eamcet. To predict your rank in eamcet and jee mains go through the below links

https://engineering.careers360.com/ts-eamcet-rank-predictor

https://engineering.careers360.com/jee-main-college-predictor

I think it helps you!!!

Keep Smiling:)

Wish you good luck!:)